AWS EDITION 1, 2009

60 © 2009, AWI, AWMAC, WI - Architectural Woodwork Standards - 1st Edition, October 1, 2009

As may be updated by errata at http://www.awinet.org, http://www.awmac.com, or http://www.woodworkinstitute.com/awserrata/

Section 3 - Lumber (Page 11 of 18)

PRODUCT

LUMBER RULES (continued)

These rules are not intended to create a lumber grade; they are only intended to establish the acceptable requirements

and/or characteristics after the architectural woodwork is completed or installed.

DESCRIPTION E C P



4.2a

H A R D W O O D 

MATERIAL - HARDWOOD (continued)



4.2a.11

T R A N S P A R E N T 

TRANSPARENT FINISH (continued)



4.2a.11.3

L I M I T A T I O N S 

NATURAL CHARACTERISTIC LIMITATIONS (continued)

4.2a.11.3.2 A maximum of THREE with: M

4.2a.11.3.2.1

NO knots, pitch streaks, or pitch pockets within 36"

(914 mm) of one another

M

4.2a.11.3.3 A maximum of TWO with: M

4.2a.11.3.3.1 NO(1219 mm) of one another. knots, pitch streaks, or pitch pockets within 48" M

4.2a.11.3.4 For: ASH, Natural MAPLE, Hard or Soft, Natural

BIRCH, Natural RED & WHITE OAK

MAHOGANY, Honduras TEAK

4.2a.11.3.4.1 NONE in any face smaller than 300 square inches

(7620 square mm), with:

M

4.2a.11.3.4.1.1

ONE permitted for each

additional 100 square inches

(2540 square mm)

M

4.2a.11.3.4.2 NONE in any face smaller than 400 square inches

(10160 square mm), with: M

4.2a.11.3.4.2.1

ONE permitted for each

additional 150 square inches

(3810 square mm)

M

4.2a.11.3.4.3 NONE in any face smaller than 600 square inches

(15240 square mm), with: M

4.2a.11.3.4.3.1

ONE permitted for each

additional 200 square inches

(5080 square mm)

M

4.2a.11.3.5 For: ASH, Select Brown BIRCH, Select Red & White MAPLE, Select White

4.2a.11.3.5.1 NONE in any face smaller than 200 square inches

(5080 square mm), with:

M

4.2a.11.3.5.1.1

ONE permitted for each

additional 100 square inches

(2540 square mm)

M

4.2a.11.3.5.2 NONE in any face smaller than 350 square inches

(8890 square mm), with: M

4.2a.11.3.5.2.1

ONE permitted for each

additional 150 square inches

(3810 square mm)

M

4.2a.11.3.5.3 NONE in any face smaller than 500 square inches

(12700 square mm), with: M

4.2a.11.3.5.3.1

ONE permitted for each

additional 200 square inches

(5080 square mm)

M

3